Navigate to the profile of another user, and at the bottom of the page, you will find the "report user" option. Within this section, you can either block the user or report one (or more) of their photos.
Your profile serves to provide additional information about yourself to help you find partners more easily. The personal information you can enter includes: Username: the name that will appear to other users. City: where you will be visible to other ...
To become a Premium user, click on the "Activate Premium" button on your profile page. Alternatively, click on various promotional pages that will be offered during navigation.